MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 79e31e087939f413301f214a422c46f9d32ed435fc34822611cb08a74266ba44. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry

Formbook

Vendor detections: 17

Intelligence 17 IOCs YARA 4 File information Comments

SHA256 hash:	79e31e087939f413301f214a422c46f9d32ed435fc34822611cb08a74266ba44
SHA3-384 hash:	ff954f244f6e4810adac791774f7cf2b244e6139b960399d30b624f87728b9f7b02ec7ff3ca0024846705ae841c0c202
SHA1 hash:	402b39b4581207298c2696afb4ebe224da9b597f
MD5 hash:	561e2701898470b157ac37bd29be6a88
humanhash:	comet-muppet-kentucky-pip
File name:	Bonifico 9252024pdf.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'120'256 bytes
First seen:	2024-09-26 16:54:08 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep	24576:rAHnh+eWsN3skA4RV1Hom2KXMmHazloS0vXp6riu/5:Gh+ZkldoPK8Yazl0Xpa
TLSH	T1DD35AD0273D1C036FFAB92739B6AF20556BD79254123852F13982DB9BD701B2263E763
TrID	63.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 11.6% (.EXE) Win64 Executable (generic) (10523/12/4) 7.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 5.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.9% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika	pebin
File icon (PE):
dhash icon	aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter	JAMESWT_WT
Tags:	exe FormBook Spam-ITA

Intelligence

File Origin

# of uploads :

# of downloads :

403

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

Bonifico 9252024pdf.exe

Verdict:

No threats detected

Analysis date:

2024-09-26 16:56:07 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/00abae55-5406-404d-bff6-1c72c320cf86

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection(s):

SecuriteInfo.com.FileRepMalware.21314.9932.UNOFFICIAL

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=66f591ac56c487103d52e968

Tags:

Stealth Shellcodecrypter Shellcode Crypter Emotet Autoit

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %temp% directory

Launching a process

Сreating synchronization primitives

Launching cmd.exe command interpreter

Setting browser functions hooks

Unauthorized injection to a system process

Unauthorized injection to a browser process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

autoit epmicrosoft_visual_cc fingerprint keylogger lolbin microsoft_visual_cc packed shell32

Link:

https://www.filescan.io/uploads/66f591e83b87ff03b25bfadd/reports/e7d70d4a-ce99-4922-bb3a-95957a6c7532/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/79e31e087939f413301f214a422c46f9d32ed435fc34822611cb08a74266ba44

Result

Verdict:

MALICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/60356a5f-e25b-48fb-824b-bc055e1e4f84

Result

Threat name:

FormBook

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1519632

Signature

AI detected suspicious sample

Antivirus detection for URL or domain

Binary is likely a compiled AutoIt script file

C2 URLs / IPs found in malware configuration

Found malware configuration

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Maps a DLL or memory area into another process

Modifies the context of a thread in another process (thread injection)

Multi AV Scanner detection for submitted file

Queues an APC in another process (thread injection)

Sample uses process hollowing technique

Suricata IDS alerts for network traffic

Switches to a custom stack to bypass stack traces

Tries to detect virtualization through RDTSC time measurements

Tries to resolve many domain names, but no domain seems valid

Writes to foreign memory regions

Yara detected FormBook

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/79e31e087939f413301f214a422c46f9d32ed435fc34822611cb08a74266ba44

Detection:

formbook

Link:

https://mwdb.cert.pl/sample/79e31e087939f413301f214a422c46f9d32ed435fc34822611cb08a74266ba44/

Threat name:

Win32.Backdoor.FormBook

Status:

Malicious

First seen:

2024-09-25 17:51:28 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

22 of 24 (91.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=phrr4cdzhh2bgma7effeelcg7hjs5vbv7q2iejqrzmekoqtgxjca._file

Verdict:

malicious

Label(s):

formbook

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook campaign:e23y discovery rat spyware stealer trojan

Link:

https://tria.ge/reports/240926-ve41nsxhpr/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Formbook payload

Formbook

Verdict:

Suspicious

Tags:

trojan

YARA:

SUSP_Imphash_Mar23_3

Link:

https://app.threat.zone/submission/b0ef63e5-4db9-4b2f-8d52-30e814ff45c5

Unpacked files

SH256 hash:

2f93320ed12e7018fbc5fdd6cf783e18d991797f391a01d6cf8ae40f69c3dece

MD5 hash:

86ed00b48ccfa6942d808d2b72f74242

SHA1 hash:

64b020a13aa5da36916e8a61cfeacff381febd3f

Detections:

FormBook

win_formbook_g0

win_formbook_auto

win_formbook_w0

Formbook

Link:

https://www.unpac.me/results/a4e5cf39-4167-4828-acfa-1476cf97ba3e/

Parent samples :

e4d1f88b5db146a70bce062886dd60b15d13bda9b325535ef4d3ffcb484981ec
79e31e087939f413301f214a422c46f9d32ed435fc34822611cb08a74266ba44
df570404d94edaa7ff2945eb4cba6034a77509036cc61fae5ba532b848212453
8fde044b46296592bf2bdd606aeed873d0a56ef2343b36a49b3fa1d25326864d

SH256 hash:

fef7d7b827fa18e87827cf1dc1affcc4d2388de93ef4d528b7a2d33d4f3ccb35

MD5 hash:

d62a8e22e947b6a1c8acf0b97ef771ca

SHA1 hash:

1e707f491795e114e4c50979b08d128cd8f35c9b

Link:

https://www.unpac.me/results/a4e5cf39-4167-4828-acfa-1476cf97ba3e/

SH256 hash:

79e31e087939f413301f214a422c46f9d32ed435fc34822611cb08a74266ba44

MD5 hash:

561e2701898470b157ac37bd29be6a88

SHA1 hash:

402b39b4581207298c2696afb4ebe224da9b597f

Detections:

AutoIT_Compiled

SUSP_Imphash_Mar23_3

Link:

https://www.unpac.me/results/a4e5cf39-4167-4828-acfa-1476cf97ba3e/

Malware family:

FormBook

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/79e31e087939/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/79e31e087939f413301f214a422c46f9d32ed435fc34822611cb08a74266ba44

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:	AutoIT_Compiled Create hunting rule
Author:	@bartblaze
Description:	Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.

Rule name:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	SUSP_Imphash_Mar23_3 Create hunting rule
Author:	Arnim Rupp (https://github.com/ruppde)
Description:	Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:	Internal Research

File information

The table below shows additional information about this malware sample such as delivery method and external references.

No further information available

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high
CHECK_NX	Missing Non-Executable Memory Protection	critical

Reviews

ID	Capabilities	Evidence
AUTH_API	Manipulates User Authorization	ADVAPI32.dll::AllocateAndInitializeSid ADVAPI32.dll::CopySid ADVAPI32.dll::FreeSid ADVAPI32.dll::GetLengthSid ADVAPI32.dll::GetTokenInformation ADVAPI32.dll::GetAce
COM_BASE_API	Can Download & Execute components	ole32.dll::CLSIDFromProgID ole32.dll::CoCreateInstance ole32.dll::CoCreateInstanceEx ole32.dll::CoInitializeSecurity ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_API	Can Play Multimedia	WINMM.dll::mciSendStringW WINMM.dll::timeGetTime WINMM.dll::waveOutSetVolume
SECURITY_BASE_API	Uses Security Base API	ADVAPI32.dll::AddAce ADVAPI32.dll::AdjustTokenPrivileges ADVAPI32.dll::CheckTokenMembership ADVAPI32.dll::DuplicateTokenEx ADVAPI32.dll::GetAclInformation ADVAPI32.dll::GetSecurityDescriptorDacl
SHELL_API	Manipulates System Shell	SHELL32.dll::ShellExecuteExW SHELL32.dll::ShellExecuteW SHELL32.dll::SHFileOperationW
WIN32_PROCESS_API	Can Create Process and Threads	ADVAPI32.dll::CreateProcessAsUserW KERNEL32.dll::CreateProcessW ADVAPI32.dll::CreateProcessWithLogonW KERNEL32.dll::OpenProcess ADVAPI32.dll::OpenProcessToken ADVAPI32.dll::OpenThreadToken
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::SetSystemPowerState KERNEL32.dll::LoadLibraryA KERNEL32.dll::LoadLibraryExW KERNEL32.dll::LoadLibraryW KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CopyFileExW KERNEL32.dll::CopyFileW KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateHardLinkW IPHLPAPI.DLL::IcmpCreateFile KERNEL32.dll::CreateFileW
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::GetComputerNameW ADVAPI32.dll::GetUserNameW ADVAPI32.dll::LogonUserW ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_API	Supports Windows Networking	MPR.dll::WNetAddConnection2W MPR.dll::WNetUseConnectionW
WIN_REG_API	Can Manipulate Windows Registry	ADVAPI32.dll::RegConnectRegistryW ADVAPI32.dll::RegCreateKeyExW ADVAPI32.dll::RegDeleteKeyW ADVAPI32.dll::RegOpenKeyExW ADVAPI32.dll::RegQueryValueExW ADVAPI32.dll::RegSetValueExW
WIN_USER_API	Performs GUI Actions	USER32.dll::BlockInput USER32.dll::CloseDesktop USER32.dll::CreateMenu USER32.dll::EmptyClipboard USER32.dll::FindWindowExW USER32.dll::FindWindowW

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